Upgrade webstar 2100 to hax

[Danielle]

trying to upgrade software on this modem with no luck, followed the upgrade guide but I keep getting this

WARNING: This will be applied to all 2 registered instances!
Do you really want to do this? [no] y

Instance: IP Stack1 (0x8061cd18)

Selecting IP stack 2 (statically configured).
Configuring driver for oversize image to span image1/image2.
Configuring driver to allow incompatible images.
Reading from TFTP server...
Sniffing the image header...
Not logging event ID 2436694024, control for level 7 is 0.
ERROR - The program header for this image is not valid!

Instance: IP Stack2 (0x8061b280)

Selecting IP stack 2 (statically configured).
Configuring driver for oversize image to span image1/image2.
Configuring driver to allow incompatible images.
Reading from TFTP server...
Sniffing the image header...
Not logging event ID 2436694024, control for level 7 is 0.
ERROR - The program header for this image is not valid!

And this in tftp server

Connection received from 192.168.100.1 on port 1024 [09/08 11:33:09.359]
Read request for file <EPC2100R2-11REV30.bin>. Mode octet [09/08 11:33:09.359]
Connection received from 192.168.100.1 on port 1025 [09/08 11:33:09.640]
Read request for file <EPC2100R2-11REV30.bin>. Mode octet [09/08 11:33:09.656]
File <EPC2100R2-11REV30.bin> : error 10054 in system call recv An existing connection was forcibly closed by the remote host. [09/08 11:33:10.640]
File <EPC2100R2-11REV30.bin> : error 10054 in system call recv An existing connection was forcibly closed by the remote host. [09/08 11:33:10.921]

Anyone any ideas?